package cn.nsu.douban.dao.dao;

import cn.nsu.douban.entity.User;
import cn.nsu.douban.exception.MyAppException;

public interface IUserDao {
	
	public User  loginByloginNameAndPasswod(String loginName,String password);

	public Integer findUsername(String username);

	public void save(User user) throws MyAppException;

}
